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Weather & Climate
Grächen, Valais, Switzerland
Overview
Climate data and monthly weather averages for Grächen.
Key Metrics
Annual Avg
2.8°C
Summer Avg
12.3°C
Winter Avg
-6.9°C
Record High
26.7°C
Record Low
-27.8°C
Annual Precipitation
1181.9 mm
Avg Humidity
80%
Summer Humidity
77%
Winter Humidity
81%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 7.7° | -7.5° | -26.8° | 54.6 | 82% | 43 | 48.4 |
| Feb | 10.9° | -6.9° | -27.8° | 55.7 | 82% | 62 | 45.3 |
| Mar | 11.5° | -3° | -24.8° | 71.9 | 82% | 104 | 43.8 |
| Apr | 17.2° | 2° | -16.2° | 101.1 | 81% | 133 | 44.5 |
| May | 21.5° | 6.5° | -8.3° | 142.9 | 80% | 159 | 43.3 |
| Jun | 26.7° | 11.2° | -4.6° | 124.5 | 78% | 181 | 37 |
| Jul | 24.1° | 13.1° | -1.3° | 113.1 | 76% | 187 | 34 |
| Aug | 24.8° | 12.6° | -2.1° | 125.2 | 78% | 161 | 30.8 |
| Sep | 23.2° | 8.8° | -4.7° | 89.7 | 79% | 121 | 40.6 |
| Oct | 18.3° | 4.5° | -12.3° | 101.1 | 82% | 81 | 52.2 |
| Nov | 16.7° | -1.1° | -20.8° | 131.1 | 84% | 44 | 43.4 |
| Dec | 5.5° | -6.2° | -26.6° | 71 | 80% | 34 | 46.7 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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